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BeaverLocal 15

QuestionAnswer
a trace of an organism that lived a long time ago Fossil
often found in sedimentary rock Fossil
an imprint in the shape of the organism Mold
the organism is replaced with minerals to create a model Cast
One of the first scientists to study fossils Hooke
Concluded that fossils were the remains of plants and animals Hooke
Hypothesized that the organisms somehow had been turned into rock Hooke
proposed the law of superposition Steno
What law states that: Successive layers of rock or soil were deposited on top of each other in order law of superposition
The lowest stratum is the oldest and the top stratum is the _________________ youngest
based on the law of superposition, it can be determined which fossil is the oldest Relative age
the actual age of the fossil can be determined by radiological evidence (C-14 dating) Absolute age
There have been ___ mass extinctions in the past 5
The study of the graphical distribution of fossils or living organisms Biogeography
Biogeography compares fossils with living organisms in a _________________ area particular
Believed that similar species descended from a common ancestor Jean Baptiste de Lamarck
Jean Baptiste de Lemarck Hypothesized that _____________ traits were passed on to offspring acquired
Who believed that the webbed feet of water birds resulted from repeated stretching of the membrane between the toes Jean Baptiste de Lamarck
Who believed that an animal that did not use a part of its body, such as a tail, would produce offspring with a smaller version of that body part Jean Baptiste de Lamarck
Who Proposed the hypothesis that species were modified over time by natural selection Charles Darwin
In _____________ __________, an organism best suited for its environment will successfully reproduce and genetically pass on its favorable traits to its offspring natural selection
the geological structure of earth resulted from cycles of observable processes and that these same processes operate continuously through time Uniformitarianism
List 3 examples of unifromitarianism weathering, erosion, and sedimentaion
the newer forms appearing in the fossil record are actually the modified descendants of older species Descent with Modification
All living things have descended from one or a few original types of life (common ancestor)is a component of: Darwin's first theory
an organism that has traits that make it best suited for its environment will be able to survive, reproduce, and pass those traits on to its offspring Modification by Natural Selection
If a trait increases the reproductive success and is inherited, that trait will be __________ _____ to offspring passed on
A population of organisms adapts to their environment as the proportion for favorable genes increases Natural Selection
The change in the genetics in a population over time is ___________________ evolution
Refers to a single organisms genetic contribution to the next generation Fitness
An individual with high fitness is well adapted to its environment and reproduces successfully “survival of the fittest”
Organisms do NOT purposefully acquire traits they need Adaptive Advantage
The environment determines the traits that will be _______________________ favorable
A favorable trait = an ______________ advantage adaptive
Evolution is a ________________ process CONTINUOUS
Features that have identical functions, look similar, but have different embryological development or are different in internal anatomy Analogous Structures
Features that were useful to an ancestor, but do not serve a function in the modern organism Vestigial Structures
the change in two or more species in close association with each other Coevolution
Organisms appear similar, but are not related Convergent Evolution
Two or more related populations or species become more and more dissimilar (can result in new species) Divergent Evolution
many related species evolve from a single ancestral species Adaptive radiation
Humans have bred domestic animals for certain phenotypic characteristics (speeds up divergent evolution) Artificial Selection
Created by: kjones0722
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